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1

Why are you assuming that one necessarily derives from the other in all situations? Plus you’re asking some sort of Chomsky question about historical language acquisition ordering in general, not something that could possibly be about just English alone.
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tchristJul 26 '12 at 18:27

Probably this question is a good question for linguistic.se, here it is off-topic.
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user19148Jul 26 '12 at 18:28

2

Many languages don't have adjectives. Plus, nobody knows how verbal communication developed, and if anybody tells you they do, don't believe them.
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John LawlerJul 26 '12 at 18:34

@John Lawler As an engineer, I am not an expert in linguistic; but it seems strange to me that it exisits languages whitout adjectives.
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user19148Jul 26 '12 at 18:39

It depends on your definition of an adjective.
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Alex B.Jul 26 '12 at 20:27